Cita APA (7th ed.)

Zastrow, C. H., & Kirst-Ashman, K. K. (2010). Understanding human behavior and the social environment (8th ed.). Brook/ Cole.

Cita Chicago (17th ed.)

Zastrow, Charles H., i Karen K. Kirst-Ashman. Understanding Human Behavior and the Social Environment. 8th ed. Australia: Brook/ Cole, 2010.

Cita MLA (9th ed.)

Zastrow, Charles H., i Karen K. Kirst-Ashman. Understanding Human Behavior and the Social Environment. 8th ed. Brook/ Cole, 2010.